/*
 * Copyright 2007-2008 Andrew O'Malley
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package ws.quokka.core.bootstrap_util;

import org.apache.tools.ant.BuildException;


/**
 * AbstractExceptionHandler provides a standard way of handling unwanted checked exceptions
 */
public abstract class AbstractExceptionHandler {
    //~ Methods --------------------------------------------------------------------------------------------------------

    public abstract Object runIt() throws Exception;

    /**
     * Wraps any exception in a {@link org.apache.tools.ant.BuildException}, effectively softening checked
     * exceptions to runtime exceptions 
     */
    public Object soften() {
        try {
            return runIt();
        } catch (Exception e) {
            if (e instanceof BuildException) {
                throw (BuildException)e;
            }

            throw new BuildException(e);
        }
    }
}
